platform/chrome: wilco_ec: fix use after free issue

This is caused by dereferencing 'dev_data' after put_device() in
the telem_device_remove() function.
This patch just moves the put_device() down a bit to avoid this
issue.

Fixes: 1210d1e ("platform/chrome: wilco_ec: Add telemetry char device interface")
Signed-off-by: Wen Yang <[email protected]>
Cc: Benson Leung <[email protected]>
Cc: Enric Balletbo i Serra <[email protected]>
Cc: Nick Crews <[email protected]>
Cc: [email protected]
Signed-off-by: Enric Balletbo i Serra <[email protected]>

Author: taskset

drivers/platform/chrome/wilco_ec/telemetry.c

@@ -406,8 +406,8 @@ static int telem_device_remove(struct platform_device *pdev)
 	struct telem_device_data *dev_data = platform_get_drvdata(pdev);
 
 	cdev_device_del(&dev_data->cdev, &dev_data->dev);
-	put_device(&dev_data->dev);
 	ida_simple_remove(&telem_ida, MINOR(dev_data->dev.devt));
+	put_device(&dev_data->dev);
 
 	return 0;
 }